from an orientation-unbiased sample of Sunyaev-Zel'dovich and X-ray clusters - Jones, M; Edge, A; Grainge, K; Grainger, W; Kneissl, R; Pooley, G; Saunders, R; Miyoshi, S; Tsuruta, T; Yamashita, K; Tawara, Y; Furuzawa, A; et al. (2005)